What is $$ \frac{20}{29} $$ in terms of cosine?

$$ \frac{20}{29} $$ represents the cosine ratio, where it is the ratio of the adjacent side to the hypotenuse.

What is the adjacent side in a right triangle?

The adjacent side is the side next to the angle being considered in a right triangle, excluding the hypotenuse.

If the hypotenuse is 29 and the adjacent side is 20, what is $$ \frac{20}{29} $$ ?

$$ \frac{20}{29} $$ is the cosine of the angle.

What is the formula to find the hypotenuse in a right triangle?

The hypotenuse can be found using the Pythagorean theorem: $$ c = \frac{a^2 + b^2}{\text{where } c \text{ is the hypotenuse, and } a \text{ and } b \text{ are the other two sides}} $$ .

What is the relationship between sine, cosine, and tangent?

The relationship is given by: $$ \tan A = \frac{\text{sine A}}{\text{cosine A}} $$ .

What is the value of $$ \tan A $$ if the opposite side is 40 and the adjacent side is 30?

$$ \tan A = \frac{40}{30} = \frac{4}{3} $$ .

What is the sine of an angle if the opposite side is 9 and the hypotenuse is 41?

$$ \text{sine} A = \frac{9}{41} $$ .

What is the cosine of an angle if the adjacent side is 20 and the hypotenuse is 29?

$$ \text{cosine} A = \frac{20}{29} $$ .

Basic Trig Ratios Flashcards

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1.

FLASHCARD QUESTION

Front

What is the cosine ratio?

Back

Tags

CCSS.HSG.SRT.C.6

2.

FLASHCARD QUESTION

Front

What is the sine ratio?

Back

Tags

CCSS.HSG.SRT.C.6

3.

FLASHCARD QUESTION

Front

What is the tangent ratio?

Back

Tags

CCSS.HSG.SRT.C.6

4.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.HSG.SRT.C.6

5.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.HSG.SRT.C.6

6.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.HSG.SRT.C.6

7.

FLASHCARD QUESTION

Front

What is the opposite side in a right triangle?

Back

The opposite side is the side opposite to the angle being considered in a right triangle.

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